Last Frost Day

Frost history / Lafayette 8 S, IN

Lafayette 8 S, IN: frost dates by year

Last spring and first fall frost at NOAA station USC00124715, 1954 to 2025, measured from daily minimum temperatures.

Elevation 732 ft, 40.296, -86.903. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 27Oct 11
EarliestMar 24 (2017)Sep 12 (1955)
LatestMay 27 (1961)Nov 12 (2016)
Trend2.9 days earlier per decade3.4 days later per decade
Years with data6767

At 28°F (hard freeze) the median last spring date is Apr 13 and the median first fall date is Oct 24.

The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.

Chart

Last spring frost (32°F)

Mar 16Mar 31Apr 15Apr 30May 15May 30Jun 1419601970198019902000201020201955: May 91956: May 241957: May 61958: Apr 301959: Apr 231960: May 131961: May 271962: Apr 201963: May 231964: Apr 101965: Apr 41966: May 101967: May 31968: May 61969: Apr 301970: May 31971: May 41972: May 101973: May 171974: May 71975: Apr 211976: May 121977: May 101978: May 31979: May 51980: Apr 251981: May 121982: Apr 211983: May 91984: May 161985: Apr 101986: May 31988: Apr 291989: May 121990: Apr 181991: Apr 221992: May 71993: Apr 221995: May 31998: Apr 51999: Apr 132000: Apr 122001: Apr 192002: Apr 232003: Apr 232004: Apr 142005: May 42006: Apr 92007: Apr 152008: Apr 152009: Apr 122010: Apr 282011: Apr 222012: Apr 272013: Apr 212014: Apr 232015: Apr 242016: Apr 132017: Mar 242018: Apr 292019: Apr 22020: May 92021: May 82022: Apr 272023: Apr 252024: Apr 252025: Apr 13

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11Nov 2619601970198019902000201020201954: Oct 191955: Sep 121956: Sep 211957: Oct 111958: Oct 11959: Sep 181960: Oct 201961: Oct 31962: Sep 211963: Oct 131964: Sep 131965: Oct 41966: Oct 21967: Oct 121968: Oct 41969: Oct 151970: Sep 291971: Oct 121972: Oct 151973: Oct 171974: Sep 231975: Oct 31976: Oct 141977: Oct 131978: Oct 81979: Sep 231980: Oct 51981: Oct 31982: Oct 171983: Sep 231984: Oct 11985: Oct 21986: Oct 151987: Oct 41988: Oct 61989: Sep 241990: Oct 111991: Sep 201992: Oct 171998: Oct 221999: Oct 52000: Oct 72001: Oct 72002: Oct 142003: Oct 22004: Oct 32005: Oct 292006: Oct 122007: Oct 282008: Oct 282009: Oct 182010: Oct 52011: Oct 282012: Oct 62013: Oct 222014: Oct 302015: Oct 172016: Nov 122017: Nov 82018: Oct 162019: Oct 122020: Oct 162021: Nov 12022: Oct 82023: Oct 312024: Oct 172025: Oct 24

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

YearLast spring 32°FFirst fall 32°FLast spring 28°FFirst fall 28°F
2025Apr 13Oct 24Apr 12Nov 2
2024Apr 25Oct 17Apr 6Nov 21
2023Apr 25Oct 31Apr 24Oct 31
2022Apr 27Oct 8Apr 17Oct 20
2021May 8Nov 1Apr 21Nov 3
2020May 9Oct 16May 9Oct 31
2019Apr 2Oct 12Apr 2Nov 1
2018Apr 29Oct 16Apr 29Oct 21
2017Mar 24Nov 8Mar 24Nov 10
2016Apr 13Nov 12Apr 10Nov 12
2015Apr 24Oct 17Mar 29Oct 18
2014Apr 23Oct 30Apr 16Nov 1
2013Apr 21Oct 22Apr 4Oct 22
2012Apr 27Oct 6Apr 12Nov 1
2011Apr 22Oct 28Apr 2Nov 11
2010Apr 28Oct 5Mar 27Nov 3
2009Apr 12Oct 18Apr 12Nov 1
2008Apr 15Oct 28Mar 29Oct 28
2007Apr 15Oct 28Apr 10Nov 6
2006Apr 9Oct 12Apr 9Oct 24
2005May 4Oct 29Mar 24Nov 17
2004Apr 14Oct 3Apr 5Nov 13
2003Apr 23Oct 2Apr 6Oct 27
2002Apr 23Oct 14Apr 6Nov 1
2001Apr 19Oct 7Apr 18Oct 28
2000Apr 12Oct 7Apr 12Oct 9
1999Apr 13Oct 5Mar 29Nov 3
1998Apr 5Oct 22Mar 24Nov 5
1995May 3no dataApr 6no data
1993Apr 22no dataApr 22no data
1992May 7Oct 17Apr 5Oct 19
1991Apr 22Sep 20Apr 2Oct 16
1990Apr 18Oct 11Apr 18Oct 23
1989May 12Sep 24Apr 13Oct 4
1988Apr 29Oct 6Apr 19Oct 12
1987no dataOct 4no dataOct 8
1986May 3Oct 15Apr 23Nov 10
1985Apr 10Oct 2Apr 9Oct 2
1984May 16Oct 1Apr 20Nov 2
1983May 9Sep 23Apr 20Nov 4
1982Apr 21Oct 17Apr 14Oct 22
1981May 12Oct 3Apr 6Oct 24
1980Apr 25Oct 5Apr 25Oct 5
1979May 5Sep 23Apr 10Oct 10
1978May 3Oct 8May 3Oct 17
1977May 10Oct 13Apr 29Oct 13
1976May 12Oct 14May 12Oct 18
1975Apr 21Oct 3Apr 21Oct 30
1974May 7Sep 23May 7Sep 23
1973May 17Oct 17Apr 14Oct 29
1972May 10Oct 15Apr 26Oct 19
1971May 4Oct 12May 3Nov 4
1970May 3Sep 29Apr 7Oct 16
1969Apr 30Oct 15Apr 1Oct 23
1968May 6Oct 4May 6Oct 5
1967May 3Oct 12Apr 25Oct 12
1966May 10Oct 2May 10Oct 20
1965Apr 4Oct 4Apr 3Oct 28
1964Apr 10Sep 13Apr 9Oct 7
1963May 23Oct 13May 23Oct 30
1962Apr 20Sep 21Apr 20Oct 24
1961May 27Oct 3May 27Oct 27
1960May 13Oct 20Apr 10Oct 20
1959Apr 23Sep 18Apr 13Oct 18
1958Apr 30Oct 1Apr 30Oct 2
1957May 6Oct 11Apr 15Oct 11
1956May 24Sep 21Apr 24Oct 10
1955May 9Sep 12Apr 8Oct 25
1954no dataOct 19no dataOct 19

"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991 to 2020 frost probabilities.